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-rw-r--r--Documentation/networking/rxrpc.txt17
1 files changed, 15 insertions, 2 deletions
diff --git a/Documentation/networking/rxrpc.txt b/Documentation/networking/rxrpc.txt
index 810620153a44..9fb61a6bc7cf 100644
--- a/Documentation/networking/rxrpc.txt
+++ b/Documentation/networking/rxrpc.txt
@@ -782,7 +782,9 @@ The kernel interface functions are as follows:
struct key *key,
unsigned long user_call_ID,
s64 tx_total_len,
- gfp_t gfp);
+ gfp_t gfp,
+ rxrpc_notify_rx_t notify_rx,
+ bool upgrade);
This allocates the infrastructure to make a new RxRPC call and assigns
call and connection numbers. The call will be made on the UDP port that
@@ -803,6 +805,13 @@ The kernel interface functions are as follows:
allows the kernel to encrypt directly to the packet buffers, thereby
saving a copy. The value may not be less than -1.
+ notify_rx is a pointer to a function to be called when events such as
+ incoming data packets or remote aborts happen.
+
+ upgrade should be set to true if a client operation should request that
+ the server upgrade the service to a better one. The resultant service ID
+ is returned by rxrpc_kernel_recv_data().
+
If this function is successful, an opaque reference to the RxRPC call is
returned. The caller now holds a reference on this and it must be
properly ended.
@@ -850,7 +859,8 @@ The kernel interface functions are as follows:
size_t size,
size_t *_offset,
bool want_more,
- u32 *_abort)
+ u32 *_abort,
+ u16 *_service)
This is used to receive data from either the reply part of a client call
or the request part of a service call. buf and size specify how much
@@ -873,6 +883,9 @@ The kernel interface functions are as follows:
If a remote ABORT is detected, the abort code received will be stored in
*_abort and ECONNABORTED will be returned.
+ The service ID that the call ended up with is returned into *_service.
+ This can be used to see if a call got a service upgrade.
+
(*) Abort a call.
void rxrpc_kernel_abort_call(struct socket *sock,